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| author | Josef Bacik <jbacik@fb.com> | 2018-09-28 13:18:00 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-10-15 17:23:39 +0200 |
| commit | 553cceb49681d60975d00892877d4c871bf220f9 (patch) | |
| tree | 766ad50573989393c3dc21c5b32e9387e844e650 /fs/btrfs/free-space-cache.c | |
| parent | btrfs: protect space cache inode alloc with GFP_NOFS (diff) | |
| download | linux-553cceb49681d60975d00892877d4c871bf220f9.tar.xz linux-553cceb49681d60975d00892877d4c871bf220f9.zip | |
btrfs: reset max_extent_size on clear in a bitmap
We need to clear the max_extent_size when we clear bits from a bitmap
since it could have been from the range that contains the
max_extent_size.
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index a1f379e8ad13..67441219d6c9 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1687,6 +1687,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, bitmap_clear(info->bitmap, start, count); info->bytes -= bytes; + if (info->max_extent_size > ctl->unit) + info->max_extent_size = 0; } static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, |